21638488

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1867

約数の個数: 32

約数和(自身を含む): 42708960

約数和(自身を除く): 21070472

約数列:

[1, 2, 4, 8, 37, 41, 74, 82, 148, 164, 296, 328, 1517, 1783, 3034, 3566, 6068, 7132, 12136, 14264, 65971, 73103, 131942, 146206, 263884, 292412, 527768, 584824, 2704811, 5409622, 10819244, 21638488]

約数ペア:

[(1, 21638488), (2, 10819244), (4, 5409622), (8, 2704811), (37, 584824), (41, 527768), (74, 292412), (82, 263884), (148, 146206), (164, 131942), (296, 73103), (328, 65971), (1517, 14264), (1783, 12136), (3034, 7132), (3566, 6068)]